San Antonio Population 2026
San Antonio has a population of 87,675, making it the #39 biggest city in 🇨🇱 Chile, located in Valparaiso. Roughly 0.4% of Chile's population lives here. It is about 55× smaller than Santiago, the country's biggest city.
Population (city proper)
87,675
Rank in Chile
#39
Coordinates
33.59°S, 71.61°W
~39 m elevation · America/Santiago
Distance to capital (Santiago)
90 km
56 miles, straight line
Other big cities in Valparaiso
| City | Population | Rank in Chile |
|---|---|---|
| Viña del Mar | 334,248 | #5 |
| Valparaíso | 282,448 | #6 |
| Quilpué | 130,263 | #29 |
| Villa Alemana | 97,320 | #38 |
| Quillota | 67,779 | #47 |
| Los Andes | 63,009 | #51 |
| San Felipe | 59,294 | #52 |
| La Calera | 50,221 | #55 |
Cities near San Antonio
FAQ
What is the population of San Antonio?
San Antonio has a population of 87,675 (city proper, latest official figure via GeoNames), making it the #39 biggest city in Chile.
What region is San Antonio in?
San Antonio is located in Valparaiso, Chile.
Is San Antonio the capital of Chile?
No, the capital of Chile is Santiago, about 90 km away.
Sources & notes
Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.